| naam | geboren | overleden | leeftijd | e.v. | opmerking | aanduiding |
| John Joseph (J.J.) O'Brien | | 09-04-1945 | | | | 03-D-14 |
| Samuel (S.) O'Connor | | 10-04-1945 | | | | 01-B-11 |
| Paul Vincent (P.V.) O'Donnell | | 13-04-1945 | | | | 08-F-06 |
| William Edward (W.E.) O'Donnell | | 18-04-1945 | | | | 07-D-14 |
| Aloysius Joseph (A.J.) O'Handley | | 01-05-1945 | | | | 05-C-07 |
| Kenneth Orville (K.O.) O'Meara | | 13-04-1945 | | | | 01-F-16 |
| Edward Henry (E.H.) O'Neil | | 28-04-1945 | | | | 11-A-03 |
| Billy C. (B.C.) O'Neill | | 29-04-1945 | | | | 08-B-14 |
| John James (J.J.) O'Reilly | | 23-04-1945 | | | | 09-A-13 |
| Robert Simon (R.S.) Odjick | | 17-04-1945 | | | | 03-C-02 |
| James Jarvis (J.J.) Ogg | | 07-06-1945 | | | | 10-F-08 |
| Geoffrey Clarence (G.C.) Ohr | | 28-04-1945 | | | | 09-H-09 |
| Walter Alonzo (W.A.) Oke | | 13-07-1945 | | | | 01-E-07 |
| Theodore (T.) Olenick | | 21-04-1945 | | | | 03-G-01 |
| Ronald (R.) Olivier | | 12-04-1945 | | | | 02-B-16 |
| Carl Gummer (C.G.) Olson | | 29-04-1945 | | | | 10-A-16 |
| Ole Laurie (O.L.) Olson | | 26-04-1945 | | | | 11-C-07 |
| Lloyd James (L.J.) Orr | | 02-05-1945 | | | | 10-F-03 |
| Sydney Alexander (S.A.) Oslund | | 28-04-1945 | | | | 11-D-10 |
| Gordon William (G.W.) Ouderkirk | | 16-04-1945 | | | | 12-D-12 |
| Eldon M. (E.M.) Owen | | 16-04-1945 | | | | 10-D-06 |